Sodium carbonate on reaction with hydrochloric acid in equalmolar concentrations gives sodium chloride and sodiumhydrogencarbonate
Question
Solution
The reaction you're referring to seems to be a bit incorrect. Sodium carbonate (Na2CO3) reacts with hydrochloric acid (HCl) to produce sodium chloride (NaCl) and carbonic acid (H2CO3), not sodium bicarbonate. The reaction is as follows:
Na2CO3 + 2HCl -> 2NaCl + H2CO3
The carbonic acid then decomposes into water and carbon dioxide:
H2CO3 -> H2O + CO2
So, the overall reaction is:
Na2CO3 + 2HCl -> 2NaCl + H2O + CO2
This is a type of double displacement reaction, where the sodium (Na) and hydrogen (H) ions switch places.
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